mtd-utils: upgraded package to upstream

Upgraded sys-fs/mtd-utils to version 1.5.2 on amd64, arm, x86

mtd-utils will be useful for a new platform that uses MTD. Apparently
1.5.1 won't build properly on some architectures, so let's upgrade to
the latest (1.5.2) which fixes those issues.

BUG=chrome-os-partner:40208
TEST=build for falco; also test a few utils on oak

Change-Id: I84c7f71fbb8dfb8f79f15492a736c531e1e9b822
Reviewed-on: https://chromium-review.googlesource.com/298152
Commit-Ready: Brian Norris <briannorris@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
4 files changed